Simplify:
a} (2a + 3b - 4c) + (7b - 2a + 4c)
b} (x - y + 2) - (x - y + z)
Answers
Answered by
0
Answer:
1. 10b
2. 2-z
Step-by-step explanation:
1. 2a+3b-4c+7b-2a+4c = 0a+10b+0c = 10b
2. x-y+2-x+y-z = 0x+0y+2-z = 2-z
Answered by
0
Answer:
Step-by-step explanation:
a) ( 2a + 3b - 4c ) + ( 7b - 2a + 4c )
= 2a + 3b - 4c + 7b - 2a + 4c
= 10b is the answer.
b) ( x - y + z ) - ( x - y + z )
= x - y + z - x + y - z
= 0 is the answer.
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